Montoursville North quadrangle, Pennsylvania [cartographic material] : 7.5 minute series (topographic) / mapped, edited, and published by the Geological Survey
"Revisions ... compiled in cooperation with State of Pennsylvania agencies from aerial photographs." "Contour interval 20 feet." Includes quadrangle location map. Relief shown by contours and spot heights.
Source of Acquisition
University Park copy, selected sheets: Purchased with funds from the Paterno Libraries Endowment Fund; 20020517.